c-ares/backport-004-CVE-2023-31147.patch

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2023-06-01 01:08:14 +00:00
From 7da53555c284e896baabdaef441e883bf5245f11 Mon Sep 17 00:00:00 2001
From: bradh352 <brad@brad-house.com>
Date: Mon, 22 May 2023 07:37:38 -0400
Subject: [PATCH] windows MSVC compiler fix on 32bit
Conflict: NA
Reference: https://github.com/c-ares/c-ares/commit/7da53555c284e896baabdaef441e883bf5245f11
---
src/lib/ares_rand.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/lib/ares_rand.c b/src/lib/ares_rand.c
index a55a90bf..766c1e6e 100644
--- a/src/lib/ares_rand.c
+++ b/src/lib/ares_rand.c
@@ -58,10 +58,16 @@ BOOLEAN WINAPI SystemFunction036(PVOID RandomBuffer, ULONG RandomBufferLength);
#define ARES_RC4_KEY_LEN 32 /* 256 bits */
+#ifdef _MSC_VER
+typedef unsigned __int64 cares_u64;
+#else
+typedef unsigned long long cares_u64;
+#endif
+
static unsigned int ares_u32_from_ptr(void *addr)
{
if (sizeof(void *) == 8) {
- return (unsigned int)((((size_t)addr >> 32) & 0xFFFFFFFF) | ((size_t)addr & 0xFFFFFFFF));
+ return (unsigned int)((((cares_u64)addr >> 32) & 0xFFFFFFFF) | ((cares_u64)addr & 0xFFFFFFFF));
}
return (unsigned int)((size_t)addr & 0xFFFFFFFF);
}